304220000121 has 32 divisors (see below), whose sum is σ = 437073272832. Its totient is φ = 187669975680.

The previous prime is 304220000101. The next prime is 304220000177. The reversal of 304220000121 is 121000022403.

It is a de Polignac number, because none of the positive numbers 2^k-304220000121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304220000121.

It is not an unprimeable number, because it can be changed into a prime (304220000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6292386 + ... + 6340548.

It is an arithmetic number, because the mean of its divisors is an integer number (13658539776).

Almost surely, 2^304220000121 is an apocalyptic number.

304220000121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

304220000121 is a deficient number, since it is larger than the sum of its proper divisors (132853272711).

304220000121 is a wasteful number, since it uses less digits than its factorization.

304220000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51173.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 304220000121 its reverse (121000022403), we get a palindrome (425220022524).

The spelling of 304220000121 in words is "three hundred four billion, two hundred twenty million, one hundred twenty-one", and thus it is an aban number.